AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Arkansas > Brookite on Quartz |
DESCRIPTION: | No. 64422 |
Mineral: | Brookite on Quartz |
Locality: | Magnet Cove, Hot Spring County, Arkansas |
Description: | Gray quartz crystals to 14 mm with many black-metallic brookite crystals to 9 mm. The gray color of the quartz is caused by impurities in the outer layers, the cores are smoky. Brookite crystals are visible everywhere when viewed under magnification. Ex. Morse collection |
Overall Size: | 7.5x4.5x4 cm |
Crystals: | 0.5-14.0 mm |
Archived: | For reference only |
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